Shop 2021 Audi A5 CONTOUR. UNIT. Exhaust Back Pressure Regulator. Fuel Injection Throttle Body. Pressure EMISSION, Make, LITER - OEM Audi Part # 03G128063Q (03G-128-063-Q, 03G128063A, 03G128063G, 03G128063M)

A Regulator used to regulate Exhaust Back Pressure. Throttle Body.

Exhaust Back Pressure RegulatorFuel Injection Throttle Body

Fits Jetta, Jetta Wagon

1.9 LITER. Jetta; 1.9L TDI.
Throttle Body - Repair or Replace
If your is idling rough, has suddenly lost performance or refuses to start, your throttle body could need some attention. Have it inspected or replaced by a professional to keep your performing as it should.